html {
  font-size: 50px;
}
@media screen and (min-width: 320px) {
  html {
    font-size: 21.33333333px;
  }
}
@media screen and (min-width: 360px) {
  html {
    font-size: 24px;
  }
}
@media screen and (min-width: 375px) {
  html {
    font-size: 25px;
  }
}
@media screen and (min-width: 384px) {
  html {
    font-size: 25.6px;
  }
}
@media screen and (min-width: 400px) {
  html {
    font-size: 26.66666667px;
  }
}
@media screen and (min-width: 414px) {
  html {
    font-size: 27.6px;
  }
}
@media screen and (min-width: 424px) {
  html {
    font-size: 28.26666667px;
  }
}
@media screen and (min-width: 480px) {
  html {
    font-size: 32px;
  }
}
@media screen and (min-width: 540px) {
  html {
    font-size: 36px;
  }
}
@media screen and (min-width: 720px) {
  html {
    font-size: 48px;
  }
}
@media screen and (min-width: 750px) {
  html {
    font-size: 50px;
  }
}
body {
  min-width: 320px;
  height: 200px;
  width: 15rem;
  margin: 0 auto;
  font-family: Arial, Helvetica, sans-serif;
  background-color: #f2f2f2;
  line-height: 1.5;
}
body > .search_content {
  position: fixed;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  background-color: #ffc001;
  width: 15rem;
  height: 1.76rem;
  display: flex;
  align-items: center;
}
body > .search_content > .classify {
  width: 0.88rem;
  height: 1.4rem;
  margin: 0 0.5rem 0 0.48rem;
  background-image: url(../imgs/classify.png);
  background-size: 80% 90%;
  background-position: center;
  background-repeat: no-repeat;
}
body > .search_content > .search {
  flex: 1;
  background-color: greenyellow;
  height: 1.76rem;
  margin: 0 0.4rem 0 0.4rem;
}
body > .search_content > .login {
  width: 1.5rem;
  height: 1.4rem;
  margin-right: 0.4rem;
  background-image: url(../imgs/login.png);
  background-size: 55% 80%;
  background-position: center;
  background-repeat: no-repeat;
}
